Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657705 | Heat treatment furnace for waste and associated process | Eric Marty, Ari Minkkinen | 1997-08-19 |
| 5644997 | Waste pyrolysis rotary furnace with internal heating | Eric Marty | 1997-07-08 |
| 5628877 | Method and device for producing a solid fuel from combustible waste | — | 1997-05-13 |
| 5616216 | Process and device for treating waste by direct contact | Robert Gaulard | 1997-04-01 |